code: def is_timestamp(hist):
      props = get_hist_props(hist)
      return props["is_ts"]
  
file_path: popmon/popmon/hist/hist_utils.py
imports: import histogrammar
  import histogrammar.specialized
  import numpy
  import pandas
  from histogrammar.specialized import CategorizeHistogramMethods, HistogramMethods, SparselyHistogramMethods, SparselyTwoDimensionallyHistogramMethods, TwoDimensionallyHistogramMethods
  from histogrammar.util import get_hist_props
label_desc: Use image node_id 6 for calling a global function with example usage: is_timestamp(hist) and returns: props